Ok, center diff indicator and ABS (yes, I have ABS) indicators have not been coming on when shifted into 4L. The truck is shifting to 4L. Very definite change in handling and feel of her, so I know she is in 4L.
Did all the reading thru search on similar issues. As opposed to trying the cleaning approach others have been successful with, I replaced the Center Diff Lock Inticator Switch supplied by our local parts/must feed dogs wizard. Out with the old, in with the new fairly easily, despite the location of the SOB.
Still nothing. I can hear the Center Diff Lock Control Relay clicking under the DS quarter panel, so I assume the relays are working ok. Pull it anyway and test per Parts Inspection section of FSM page TR-55. Perfect continuity between terminals in (a) and had bro-in-law test to ensure the diode between terminals 6-7 is ok. He's got better test equipment than my little multimeter (yes - I have one Dan, and learning how handy it is to have around ). Follow section (b) and everything there checks out ok as well. Doesn't appear that the relay is a problem.
No blown fuses on either panel. Center Diff light does not come on when I turn the key to see all the idiot lights on the dash. Is that normal. The F and R dif lock lights do come on for a second.
Is there another relay, wiring harness, etc. I should check. Seems the signal is getting to and from the relay OK, just not any further to let the truck know it's ok to engage the front and rear lockers. Everything was ok in Jan/Feb when I excercised them last.
There are two actuator switches on the transfer case that I saw. Pulled the one sticking straight up first and quickly found out that one wasn't the Center Diff Lock Indicator Switch (the harder of the two to get to pointing to the PS) as the electrical connectors didn't match. Could there be a problem with that one. Switch was exactly the same as the Center Diff Lock Indicator Switch on it's body. Only the connector was different.
Comments, suggestions, other items to test? Tried to be as detailed as possible as to what I did to rule out things.
ps - front brake pads went on in a snap. Damn glad I did them this weekend. Down to 2mm! :whoops: Trip to Kernville rafting with the scouts next weekend and didn't want to travel the grapevine with pads I knew were close to toast. Water flow for rafting should be great with all the rain/snow we've had this year. Can't wait! Thus the need for the brake pad change now! hehehe
Did all the reading thru search on similar issues. As opposed to trying the cleaning approach others have been successful with, I replaced the Center Diff Lock Inticator Switch supplied by our local parts/must feed dogs wizard. Out with the old, in with the new fairly easily, despite the location of the SOB.
Still nothing. I can hear the Center Diff Lock Control Relay clicking under the DS quarter panel, so I assume the relays are working ok. Pull it anyway and test per Parts Inspection section of FSM page TR-55. Perfect continuity between terminals in (a) and had bro-in-law test to ensure the diode between terminals 6-7 is ok. He's got better test equipment than my little multimeter (yes - I have one Dan, and learning how handy it is to have around ). Follow section (b) and everything there checks out ok as well. Doesn't appear that the relay is a problem.
No blown fuses on either panel. Center Diff light does not come on when I turn the key to see all the idiot lights on the dash. Is that normal. The F and R dif lock lights do come on for a second.
Is there another relay, wiring harness, etc. I should check. Seems the signal is getting to and from the relay OK, just not any further to let the truck know it's ok to engage the front and rear lockers. Everything was ok in Jan/Feb when I excercised them last.
There are two actuator switches on the transfer case that I saw. Pulled the one sticking straight up first and quickly found out that one wasn't the Center Diff Lock Indicator Switch (the harder of the two to get to pointing to the PS) as the electrical connectors didn't match. Could there be a problem with that one. Switch was exactly the same as the Center Diff Lock Indicator Switch on it's body. Only the connector was different.
Comments, suggestions, other items to test? Tried to be as detailed as possible as to what I did to rule out things.
ps - front brake pads went on in a snap. Damn glad I did them this weekend. Down to 2mm! :whoops: Trip to Kernville rafting with the scouts next weekend and didn't want to travel the grapevine with pads I knew were close to toast. Water flow for rafting should be great with all the rain/snow we've had this year. Can't wait! Thus the need for the brake pad change now! hehehe